PAC GM3A-RSTX — Serialized*** radio replacement interface with Onstar retention for GM LAN 29-BIT vehicles
Key features
- RadioPRO Advanced interface for compatible 29-bit GMLAN vehicles
- Retains OnStar and supported steering-wheel controls
- Retains compatible factory amplifier and rear-seat entertainment
- Retains factory warning chimes
PAC GM3A-RSTX — Serialized*** radio replacement interface with Onstar retention for GM LAN 29-BIT vehicles is backordered and will ship as soon as it is back in stock.
Description
Description
Product Overview
Keep key factory features when replacing the radio in a GM LAN 29-BIT vehicle with the PAC GM3A-RSTX serialized radio replacement interface. This RadioPRO Advanced interface is designed to retain OnStar, steering wheel controls, the factory amplifier, rear-seat entertainment, and warning chimes.
Key Features & Benefits
- OnStar retention: Keep access to the factory OnStar system after a radio upgrade.
- Steering wheel control retention: Continue using the vehicle’s steering wheel controls.
- Factory amplifier retention: Maintain the factory amplifier when replacing the radio.
- Rear-seat entertainment retention: Preserve the factory rear-seat entertainment system.
- Warning chime retention: Keep factory warning chimes as part of the radio replacement.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | PAC |
| Model | GM3A-RSTX |
| Product type | Serialized*** radio replacement interface |
| Vehicle application | GM LAN 29-BIT vehicles |
| Retained factory features | OnStar, steering wheel controls, factory amplifier, rear-seat entertainment system, and warning chimes |
Why Choose This Product?
Replacing a factory radio can affect features beyond audio. The GM3A-RSTX is designed to integrate with the vehicle databus and retain several factory systems, helping you keep more of the original functionality during an upgrade.
Installation & Compatibility Notes
This interface is specified for GM LAN 29-BIT vehicles. Confirm that your vehicle uses this platform before selecting the GM3A-RSTX.
Frequently Asked Questions
Which vehicles is the PAC GM3A-RSTX designed for?
It is specified for GM LAN 29-BIT vehicles.
Does this interface retain OnStar?
Yes. OnStar retention is one of its stated functions.
Which other factory features does it retain?
It is designed to retain steering wheel controls, the factory amplifier, the rear-seat entertainment system, and warning chimes.
Does it connect with the vehicle databus?
Yes. The RadioPRO Advanced interface is engineered to integrate with the vehicle’s databus system.
Explore More
Shop 12 Volt Outlet for your radio upgrade needs. Want to learn more about PAC? Explore our PAC brand profile.

